"""
Configuration file for Bitcoin ETF Flow Scraper
Contains placeholder credentials and settings for Supabase integration
"""

import os
from typing import Dict, Any

# Supabase Configuration (Placeholder values)
SUPABASE_URL = os.getenv('SUPABASE_URL', 'https://supabase.com/docs/guides/getting-started/tutorials/with-react')
SUPABASE_KEY = os.getenv('SUPABASE_KEY', 'your-supabase-anon-key-here')

# Database Configuration
DATABASE_CONFIG = {
    'table_name': 'binance_posts',
    'primary_key': 'id',
    'batch_size': 100,
    'timeout': 30
}

# Scraping Configuration
SCRAPING_CONFIG = {
    'target_url': 'http://money2x.cn/copy-trade',
    'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
    'timeout': 30,
    'retry_attempts': 3,
    'retry_delay': 5,
    'random_delay_range': (2, 6)
}

# Selenium WebDriver Configuration
SELENIUM_CONFIG = {
    'headless': True,
    'window_size': '1920,1080',
    'page_load_timeout': 20,
    'implicit_wait': 10,
    'chrome_options': [
        '--no-sandbox',
        '--disable-dev-shm-usage',
        '--disable-gpu',
        '--disable-blink-features=AutomationControlled'
    ]
}



# Data Validation Configuration
#VALIDATION_CONFIG = {

# Logging Configuration
LOGGING_CONFIG = {
    'level': 'INFO',
    'format': '%(asctime)s - %(levelname)s - %(message)s',
    'log_file': './data/execution_log.txt',
    'max_file_size': 10 * 1024 * 1024,  # 10MB
    'backup_count': 5
}

# Output Configuration
OUTPUT_CONFIG = {
    'json_file': './data/extracted_data.json',
    'log_file': './data/execution_log.txt',
    'backup_data': True,
    'timestamp_format': '%Y-%m-%d_%H-%M-%S'
}

# Error Handling Configuration
ERROR_CONFIG = {
    'max_retries': 3,
    'retry_delay': 5,
    'timeout_errors': ['TimeoutException', 'WebDriverException'],
    'http_errors': [403, 429, 500, 502, 503, 504],
    'fallback_enabled': True
}

def get_database_schema() -> Dict[str, str]:
    """
    Returns the expected Supabase table schema
    Based on verified ETF providers and data structure
    """
    schema = {
        'id': 'SERIAL PRIMARY KEY',
        'created_at': 'TIMESTAMP DEFAULT NOW()',
        #'updated_at': 'TIMESTAMP DEFAULT NOW()'
    }
    
    # Add ETF-specific columns
    #for etf_code, etf_info in ETF_PROVIDERS.items():
    #    schema[etf_info['column_name']] = 'DECIMAL DEFAULT 0'
    
    return schema

def validate_config() -> bool:
    """
    Validates configuration settings
    Returns True if configuration is valid
    """
    try:
        # Check required environment variables
        if SUPABASE_URL == 'https://supabase.com/docs/guides/getting-started/tutorials/with-react':
            print("WARNING: Using placeholder Supabase URL. Please set SUPABASE_URL environment variable.")
            
        if SUPABASE_KEY == 'your-supabase-anon-key-here':
            print("WARNING: Using placeholder Supabase key. Please set SUPABASE_KEY environment variable.")
            
        # Validate ETF providers
        #if len(ETF_PROVIDERS) == 0:
        #    raise ValueError("No ETF providers configured")
            
        # Validate required directories exist
        import os
        os.makedirs('./data', exist_ok=True)
        os.makedirs('./final', exist_ok=True)
        
        return True
        
    except Exception as e:
        print(f"Configuration validation failed: {e}")
        return False

# Configuration validation on import
if __name__ == "__main__":
    if validate_config():
        print("Configuration validated successfully")
        #print(f"Configured ETF providers: {list(ETF_PROVIDERS.keys())}")
        print(f"Database table: {DATABASE_CONFIG['table_name']}")
    else:
        print("Configuration validation failed")